[PATCH 2/9] vfs: ignore error on forced remount

[Miklos Szeredi]

From: Miklos Szeredi <mszeredi@xxxxxxx>

On emergency remount we want to force MS_RDONLY on the super block
even if ->remount_fs() failed for some reason.

Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
---
 fs/super.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6/fs/super.c
===================================================================
--- linux-2.6.orig/fs/super.c	2010-10-01 20:40:42.000000000 +0200
+++ linux-2.6/fs/super.c	2010-10-01 21:55:01.000000000 +0200
@@ -579,7 +579,8 @@ int do_remount_sb(struct super_block *sb
 
 	if (sb->s_op->remount_fs) {
 		retval = sb->s_op->remount_fs(sb, &flags, data);
-		if (retval)
+		/* If forced remount, go ahead despite any errors */
+		if (retval && !force)
 			return retval;
 	}
 	sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);

-- 
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